Updating client dependencies. Switching to yarn. (#6433)

* Updating client dependancies. Switching to using yarn.

* Updating React

* Moving pure components to using function syntax (performance gains with newer react version)

* Updating client dependancies.

* Ignore .yarninstall

* Enabling pre-lockfile because it's the entire point of using yarn.

* Removing old webpack config

* Moving to new prop-types

* Fixing ESLint Errors

* Updating jest snapshots.

* Cleaning up package.json

1 files changed, 3 insertions, 1 deletions

diff --git a/webapp/components/navbar.jsx b/webapp/components/navbar.jsx
index 6a306dafd..67b681193 100644
--- a/webapp/components/navbar.jsx
+++ b/webapp/components/navbar.jsx
@@ -41,6 +41,8 @@ import {Popover, OverlayTrigger} from 'react-bootstrap';
 
 import {Link} from 'react-router/es6';
 
+import PropTypes from 'prop-types';
+
 import React from 'react';
 
 export default class Navbar extends React.Component {
@@ -934,5 +936,5 @@ Navbar.defaultProps = {
     teamDisplayName: ''
 };
 Navbar.propTypes = {
-    teamDisplayName: React.PropTypes.string
+    teamDisplayName: PropTypes.string
 };